USGS 7708, Sabinal Creek (Cretaceous of the United States)

Where: Uvalde County, Texas (29.4° N, 99.5° W: paleocoordinates 35.0° N, 72.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Anacacho Limestone Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• Outcrop on Sabinal river exposes lower part of Anacacho Limestone, of late Early Campanian age: Baculites hippocrepis III zone to Baculites sp. (smooth) zone.

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by L.W. Stephenson; reposited in the USNM

Primary reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 78202: authorized by Wolfgang Kiessling, entered by Uta Merkel on 31.01.2008, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Spatangoida - Hemiasteridae
Hemiaster texanus Roemer 1849 heart urchin
 Cidaroida - Cidaridae
Cidaris texanus Clark 1891 pencil urchin